DevTools: fix SameSite cookies not sent after migration to SimpleURLLoader

Bug: 915637,915739
Change-Id: I15eecfd7d3e8c992d0907b6499c57764ca538f09
Reviewed-on: https://chromium-review.googlesource.com/c/1399515
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Andrey Kosyakov <caseq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620611}
3 files changed